__ __ __ _____________________________________ || || ______ ___ || _ ____ hmake interactive (hi): ||___|| || || || ___|| ||/ ||__|| Copyright (c) May 2000 ||---|| || || || ||__|| ||\_ ||__ http://www.cs.york.ac.uk/fp/hmake/ || || Report bugs to: malcolm@cs.york.ac.uk || || Version: 2.02 (2001-02-08) ------------------------------------- ... Using compiler nhc98 ...
Type :? for help [Std module... /usr/include/nhc98/Prelude.hi] Prelude> ord 'a' [Compiling...Segmentation fault bfulgham@hopper:~$
Hmmm. Segfaults are really difficult to track down - I can't reproduce this problem on my Linux machine. Here's what I get:
Prelude> ord 'a' [Compiling... ==================================== Error when renaming:: Identifier ord used at 10:21 is not defined. (in overlap resolution) ...failed] Prelude>
And this highlights a side issue - you should note that Hugs is naughty to accept the expression at all - ord is not in the Prelude. For true Haskell'98 behaviour, you should :load Char first.
Prelude> :load Char [Std module... /usr/local/include/nhc98/Prelude.hi] [Std module... /usr/local/include/nhc98/Char.hi] Char> ord 'a' 97 Char>
But of course this doesn't help you. You said that you get the segfault under both Cygwin and Linux right? That suggests a fault in the code, rather than an environment issue. Can you tell me what compiler you used to build nhc98 etc with, under both Cygwin and Linux? Regards, Malcolm